1/*
2 * Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28#include "diag.h"
29
30#include "ah.h"
31#include "ah_internal.h"
32
33#ifndef	ATH_DEFAULT
34#define	ATH_DEFAULT	"ath0"
35#endif
36
37#include <getopt.h>
38#include <errno.h>
39#include <err.h>
40#include <stdlib.h>
41#include <string.h>
42#include <ctype.h>
43#include <unistd.h>
44
45struct radarhandler {
46	struct		ath_diag atd;
47	int		s;
48	struct ifreq	ifr;
49	int		ah_devid;
50};
51
52int
53radar_opendev(struct radarhandler *radar, const char *devid)
54{
55	HAL_REVS revs;
56
57	radar->s = socket(AF_INET, SOCK_DGRAM, 0);
58	if (radar->s < 0) {
59		warn("socket");
60		return 0;
61	}
62
63	strncpy(radar->atd.ad_name, devid, sizeof (radar->atd.ad_name));
64
65	/* Get the hardware revision, just to verify things are working */
66	radar->atd.ad_id = HAL_DIAG_REVS;
67	radar->atd.ad_out_data = (caddr_t) &revs;
68	radar->atd.ad_out_size = sizeof(revs);
69	if (ioctl(radar->s, SIOCGATHDIAG, &radar->atd) < 0) {
70		warn(radar->atd.ad_name);
71		return 0;
72	}
73	radar->ah_devid = revs.ah_devid;
74	return 1;
75}
76
77void
78radar_closedev(struct radarhandler *radar)
79{
80	close(radar->s);
81	radar->s = -1;
82}
83
84void
85radarset(struct radarhandler *radar, int op, u_int32_t param)
86{
87	HAL_PHYERR_PARAM pe;
88
89	pe.pe_firpwr = HAL_PHYERR_PARAM_NOVAL;
90	pe.pe_rrssi = HAL_PHYERR_PARAM_NOVAL;
91	pe.pe_height = HAL_PHYERR_PARAM_NOVAL;
92	pe.pe_prssi = HAL_PHYERR_PARAM_NOVAL;
93	pe.pe_inband = HAL_PHYERR_PARAM_NOVAL;
94	pe.pe_enabled = HAL_PHYERR_PARAM_NOVAL;
95
96	pe.pe_relpwr = HAL_PHYERR_PARAM_NOVAL;
97	pe.pe_relstep = HAL_PHYERR_PARAM_NOVAL;
98	pe.pe_maxlen = HAL_PHYERR_PARAM_NOVAL;
99	pe.pe_usefir128 = HAL_PHYERR_PARAM_NOVAL;
100	pe.pe_blockradar = HAL_PHYERR_PARAM_NOVAL;
101	pe.pe_enmaxrssi = HAL_PHYERR_PARAM_NOVAL;
102
103	pe.pe_extchannel = HAL_PHYERR_PARAM_NOVAL;
104
105	switch (op) {
106	case DFS_PARAM_ENABLE:
107		pe.pe_enabled = param;
108		break;
109	case DFS_PARAM_FIRPWR:
110		pe.pe_firpwr = param;
111		break;
112	case DFS_PARAM_RRSSI:
113		pe.pe_rrssi = param;
114		break;
115	case DFS_PARAM_HEIGHT:
116		pe.pe_height = param;
117		break;
118	case DFS_PARAM_PRSSI:
119		pe.pe_prssi = param;
120		break;
121	case DFS_PARAM_INBAND:
122		pe.pe_inband = param;
123		break;
124	case DFS_PARAM_RELPWR:
125		pe.pe_relpwr = param;
126		break;
127	case DFS_PARAM_RELSTEP:
128		pe.pe_relstep = param;
129		break;
130	case DFS_PARAM_MAXLEN:
131		pe.pe_maxlen = param;
132		break;
133	case DFS_PARAM_USEFIR128:
134		pe.pe_usefir128 = param;
135		break;
136	case DFS_PARAM_BLOCKRADAR:
137		pe.pe_blockradar = param;
138		break;
139	case DFS_PARAM_MAXRSSI_EN:
140		pe.pe_enmaxrssi = param;
141		break;
142	case DFS_PARAM_EN_EXTCH:
143		pe.pe_extchannel = param;
144		break;
145	}
146	radar->atd.ad_id = DFS_SET_THRESH | ATH_DIAG_IN;
147	radar->atd.ad_out_data = NULL;
148	radar->atd.ad_out_size = 0;
149	radar->atd.ad_in_data = (caddr_t) &pe;
150	radar->atd.ad_in_size = sizeof(HAL_PHYERR_PARAM);
151	if (ioctl(radar->s, SIOCGATHPHYERR, &radar->atd) < 0)
152		err(1, radar->atd.ad_name);
153}
154
155static void
156radar_get(struct radarhandler *radar)
157{
158	HAL_PHYERR_PARAM pe;
159
160	radar->atd.ad_id = DFS_GET_THRESH | ATH_DIAG_DYN;
161	memset(&pe, 0, sizeof(pe));
162
163	radar->atd.ad_in_data = NULL;
164	radar->atd.ad_in_size = 0;
165	radar->atd.ad_out_data = (caddr_t) &pe;
166	radar->atd.ad_out_size = sizeof(pe);
167
168	if (ioctl(radar->s, SIOCGATHPHYERR, &radar->atd) < 0)
169		err(1, radar->atd.ad_name);
170
171	printf("Radar parameters (raw):\n");
172	printf("    pe_enabled: %d\n", pe.pe_enabled);
173	printf("    pe_firpwr: %d\n", pe.pe_firpwr);
174	printf("    pe_rrssi: %d\n", pe.pe_rrssi);
175	printf("    pe_height: %d\n", pe.pe_height);
176	printf("    pe_prssi: %d\n", pe.pe_prssi);
177	printf("    pe_inband: %d\n", pe.pe_inband);
178	printf("    pe_relpwr: %d\n", pe.pe_relpwr);
179	printf("    pe_relstep: %d\n", pe.pe_relstep);
180	printf("    pe_maxlen: %d\n", pe.pe_maxlen);
181	printf("    pe_usefir128: %d\n", pe.pe_usefir128);
182	printf("    pe_blockradar: %d\n", pe.pe_blockradar);
183	printf("    pe_enmaxrssi: %d\n", pe.pe_enmaxrssi);
184	printf("    pe_extchannel: %d\n", pe.pe_extchannel);
185}
186
187static int
188radar_set_param(struct radarhandler *radar, const char *param, const char *val)
189{
190	int v;
191
192	v = atoi(val);
193
194	if (strcmp(param, "firpwr") == 0) {
195		radarset(radar, DFS_PARAM_FIRPWR, v);
196	} else if (strcmp(param, "rrssi") == 0) {
197		radarset(radar, DFS_PARAM_RRSSI, v);
198	} else if (strcmp(param, "height") == 0) {
199		radarset(radar, DFS_PARAM_HEIGHT, v);
200	} else if (strcmp(param, "prssi") == 0) {
201		radarset(radar, DFS_PARAM_PRSSI, v);
202	} else if (strcmp(param, "inband") == 0) {
203		radarset(radar, DFS_PARAM_INBAND, v);
204	} else if (strcmp(param, "relpwr") == 0) {
205		radarset(radar, DFS_PARAM_RELPWR, v);
206	} else if (strcmp(param, "relstep") == 0) {
207		radarset(radar, DFS_PARAM_RELSTEP, v);
208	} else if (strcmp(param, "maxlen") == 0) {
209		radarset(radar, DFS_PARAM_MAXLEN, v);
210	} else if (strcmp(param, "extchannel") == 0) {
211		radarset(radar, DFS_PARAM_EN_EXTCH, v);
212	} else {
213		return 0;
214	}
215
216	return 1;
217}
218
219void
220usage(const char *progname)
221{
222	printf("Usage:\n");
223	printf("\t%s: [-i <interface>] <cmd> (<arg>)\n", progname);
224	printf("\t%s: [-h]\n", progname);
225	printf("\n");
226	printf("Valid commands:\n");
227	printf("\tget:\t\tGet current radar parameters\n");
228	printf("\tset <param> <value>:\t\tSet radar parameter\n");
229}
230
231int
232main(int argc, char *argv[])
233{
234	struct radarhandler radar;
235	const char *devname = ATH_DEFAULT;
236	const char *progname = argv[0];
237
238	memset(&radar, 0, sizeof(radar));
239
240	/* Parse command line options */
241	if (argc >= 2 && strcmp(argv[1], "-h") == 0) {
242		usage(progname);
243		exit(0);
244	}
245	if (argc >= 2 && strcmp(argv[1], "-?") == 0) {
246		usage(progname);
247		exit(0);
248	}
249
250	if (argc >= 2 && strcmp(argv[1], "-i") == 0) {
251		if (argc == 2) {
252			usage(progname);
253			exit(127);
254		}
255		devname = argv[2];
256		argc -= 2; argv += 2;
257	}
258
259	/* At this point we require at least one command */
260	if (argc == 1) {
261		usage(progname);
262		exit(127);
263	}
264
265	if (radar_opendev(&radar, devname) == 0)
266		exit(127);
267
268	if (strcasecmp(argv[1], "get") == 0) {
269		radar_get(&radar);
270	} else if (strcasecmp(argv[1], "set") == 0) {
271		if (argc < 4) {
272			usage(progname);
273			exit(127);
274		}
275		if (radar_set_param(&radar, argv[2], argv[3]) == 0) {
276			usage(progname);
277			exit(127);
278		}
279	} else {
280		usage(progname);
281		exit(127);
282	}
283
284	/* wrap up */
285	radar_closedev(&radar);
286	exit(0);
287}
288